A smooth, rhythmic pelvic movement that facilitates lovemaking in the back seat of a car.
Person A: Did you guys do it in your station wagon?
Person B: Yeah...that girl got some backseat rhythm.
© 1999-2015 Urban Dictionary ®
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.